<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2023/6/9 0009
  Time: 17:41
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--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<ul>
    <li><a href="ClassRoomController.action?option=view">班级管理</a></li>
    <li><a href="">学生管理</a></li>
</ul>
<hr>
<h1>错误信息</h1>
<h1>${requestScope.mess}</h1>


</body>
</html>
